Finding the Fourth Proportional to 454,414,017.43, 627,119,446.49 and 250,728,375.97
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Solution
The fourth proportional to 454,414,017.43, 627,119,446.49 and 250,728,375.97 is: 346,020,664.69
Step by Step Solution
- Step 1: Write the proportion equation
454,414,017.43 : 627,119,446.49 = 250,728,375.97 : x - Step 2: Convert to fraction form
454,414,017.43/627,119,446.49 = 250,728,375.97/x - Step 3: Cross multiply
454,414,017.43x = 627,119,446.49 × 250,728,375.97 - Step 4: Simplify right side
454,414,017.43x = 157,236,640,357,643,008 - Step 5: Solve for x
x = 157,236,640,357,643,008/454,414,017.43 - Step 6: Final answer
x = 346,020,664.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.